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nikitadnepr [17]
3 years ago
9

Will mark Brainliest just answer the following questions

Mathematics
2 answers:
avanturin [10]3 years ago
7 0

Answer:

A. 8 , 3(4)-4= 8

B. -2 , 5-(-3)= -2

C. -18 , 5-4+3(-5)-4 = -18

finlep [7]3 years ago
4 0

Answer:

18

Step-by-step explanation:

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the sum of the ages of Petra and her mother is 45. her mothers is 6 years more than twice as old as Petra. how old are Petra and
otez555 [7]
Petra is 13 and her mother is 32. I used this equation:
p + 2p + 6 = 45
if you solve for p, you get 13. 13 times 2 plus 6 equals 32. So her mother is 32.
4 0
3 years ago
Which of the following choices can be used to check the answer in this equation?
Rainbow [258]

the answer is 110 + 95 = 205

8 0
3 years ago
Read 2 more answers
Y = 5x + 4
Luda [366]

Answer:

Correct (1,9), (2,14)

Incorrect (1,8),(2,13)

Step-by-step explanation:

It is simple.

To find the correct values plug a x value.

For Example;

X=1

y=5(1)+4

y=5+4

y=9

so your X value is 1 and your Y value is 9

To solve for the incorrect values

Find the correct values and subtract 1 form the Y value.

4 0
4 years ago
Help asappppp tyyy ​
True [87]

Given:

Compound shape

To find:

The area of the compound shape.

Solution:

The compound shape is splitted into two parallelograms.

<u>Bottom parallelogram:</u>

Base = 7.5 cm

Height = 5 cm

Area of the parallelogram = base × height

                                           = 7.5 × 5

                                           = 37.5 cm²

The area of the Bottom parallelogram 37.5 cm².

<u>Top parallelogram:</u>

Base = 7.5 cm

Height = 4.5 cm

Area of the parallelogram = base × height

                                           = 7.5 × 4.5

                                           = 33.75 cm²

The area of the top parallelogram 33.75 cm².

Compound shape = 37.5 + 33.75

                               = 71.25 cm²

The area of the compound shape is 71.25 cm².

7 0
3 years ago
Select two ratios that are equivalent to 2 : 9.
White raven [17]

Answer:

B & C

Step-by-step explanation:

2:9 can also be written as 2/9

A. 9:2 is just the reciprocal of 2:9 so it is not equivalent to it

B. 18:81 is 2×9:9×9 meaning that is equivalent to 2:9

C: 12:54 is 2×6: 9×6 so it is equivalent to 2:9

Since the two correct answers have already been found, I don't need to explain more.

Hope this helped!!!

3 0
4 years ago
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